1543131133 has 2 divisors, whose sum is σ = 1543131134. Its totient is φ = 1543131132.

The previous prime is 1543131131. The next prime is 1543131167. The reversal of 1543131133 is 3311313451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1484792089 + 58339044 = 38533^2 + 7638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1543131133 - 2¹ = 1543131131 is a prime.

Together with 1543131131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1543131098 and 1543131107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1543131131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771565566 + 771565567.

It is an arithmetic number, because the mean of its divisors is an integer number (771565567).

Almost surely, 2^1543131133 is an apocalyptic number.

It is an amenable number.

1543131133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1543131133 is an equidigital number, since it uses as much as digits as its factorization.

1543131133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 25.

The square root of 1543131133 is about 39282.7078114531. The cubic root of 1543131133 is about 1155.5824684030.

Adding to 1543131133 its reverse (3311313451), we get a palindrome (4854444584).

It can be divided in two parts, 15431 and 31133, that added together give a palindrome (46564).

The spelling of 1543131133 in words is "one billion, five hundred forty-three million, one hundred thirty-one thousand, one hundred thirty-three".